diff --git a/packages/kbn-docs-utils/src/api_docs/build_api_docs_cli.ts b/packages/kbn-docs-utils/src/api_docs/build_api_docs_cli.ts
index 460a695f83fc..de9e14ed650f 100644
--- a/packages/kbn-docs-utils/src/api_docs/build_api_docs_cli.ts
+++ b/packages/kbn-docs-utils/src/api_docs/build_api_docs_cli.ts
@@ -294,6 +294,7 @@ function getTsProject(repoPath: string) {
     skipAddingFilesFromTsConfig: true,
   });
   project.addSourceFilesAtPaths([`${repoPath}/x-pack/plugins/**/*.ts`, '!**/*.d.ts']);
+  project.addSourceFilesAtPaths([`${repoPath}/x-pack/packages/**/*.ts`, '!**/*.d.ts']);
   project.addSourceFilesAtPaths([`${repoPath}/src/plugins/**/*.ts`, '!**/*.d.ts']);
   project.addSourceFilesAtPaths([`${repoPath}/packages/**/*.ts`, '!**/*.d.ts']);
   project.resolveSourceFileDependencies();